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Int J Obes Relat Metab Disord. 2000 May;24(5):566-72.

The effects of 18 months of intermittent vs. continuous exercise on aerobic capacity, body weight and composition, and metabolic fitness in previously sedentary, moderately obese females.

Author information

  • 1Department of Health, Sport and Exercise Sciences, 104 Robinson Center, University of Kansas, Lawrence, KS 66045, USA. DonnellyJ@Ukans.edu

Abstract

OBJECTIVES:

To compare the effects of 18 months of continuous vs intermittent exercise on aerobic capacity, body weight and composition, and metabolic fitness in previously sedentary, moderately obese females.

DESIGN:

Randomized, prospective, long-term cohort study. Subjects performed continuous exercise at 60-75% of maximum aerobic capacity, 3 days per week, 30 min per session, or exercised intermittently using brisk walking for two, 15 min sessions, 5 days per week.

MEASURES:

Aerobic capacity, body weight, body composition, and metabolic fitness (blood pressure, lipids, glucose and insulin).

RESULTS:

Significant improvements for aerobic capacity of 8% and 6% were shown for the continuous and intermittent exercise groups, respectively. Weight loss for the continuous exercise group was significant at 2.1% from baseline weight and the intermittent group was essentially unchanged. The continuous group showed a significant decrease in percentage of body fat and fat weight while the intermittent group did not. HDL cholesterol and insulin were significantly improved for both groups.

CONCLUSIONS:

In previously sedentary, moderately obese females, continuous or intermittent exercise performed long-term may be effective for preventing weight gain and for improving some measures of metabolic fitness.

PMID:
10849577
[PubMed - indexed for MEDLINE]
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